His cataloguing of 3222 stars was refined in 1807 by Friedrich Bessel, the father of modern astrometry.

It was invented by Robert Stevenson, for use by an 82-ton converted fishing boat, Pharos, which was used as a lightvessel between 1807 and 1810 near to Bell Rock whilst the lighthouse was being constructed.

He was one of the founders of the Geological Society of London in 1807 and was its honorary secretary in 1812 – 1817.

In 1807 he was ordained in the priesthood in the Church of England.

Sir Isaac Newton was probably the discoverer of astigmation ; the position of the astigmatic image lines was determined by Thomas Young ( A Course of Lectures on Natural Philosophy, 1807 ); and the theory was developed by Allvar Gullstrand.

The condition was first documented in 1807 by a livestock observationist named George Culley.

Use of modern refining techniques was especially important because the British Slave Trade Act 1807 abolished the slave trade in the British Empire ( but slavery itself remained legal until the Slavery Abolition Act 1833 ).

From 1799 to 1807 the military commandant was John Despard, brother of Edward.

Clausewitz was held prisoner in France from 1807 to 1808.

Thus he sought a position in astronomy, and in 1807 was appointed Professor of Astronomy and Director of the astronomical observatory in Göttingen, a post he held for the remainder of his life.

For example, the asteroid 4 Vesta was discovered in this constellation in 1807.

The Royal Montreal Curling Club, the oldest established sports club still active in North America, was established in 1807.

Cavalry was important at Blenheim ( 1704 ), Rossbach ( 1757 ), Eylau and Friedland ( 1807 ), remaining significant throughout the Napoleonic Wars.

The greatest cavalry charge of modern history was at the 1807 battle of Eylau, when the entire 11, 000-strong French cavalry reserve, led by Maréchal Murat, launched a huge charge on and through the Russian infantry lines.

The first of the Georgian docks was the West India ( opened 1802 ), followed by the London ( 1805 ), the East India ( also 1805 ), the Surrey ( 1807 ), St Katharine ( 1828 ) and the West India South ( 1829 ).

In 1807, Thomas Young was possibly the first to use the term " energy " instead of vis viva, in its modern sense.

Ownership was in question and legislation was passed for acquisition by condemnation in 1807 and then ceded to the United States in 1808.

First proposed in 1807, it was under construction from 1817 to 1825 and officially opened on October 26, 1825.

Theodor Bischoff ( 1807 – 1882 ), was a strong opponent of Darwinism.

Monroe was then appointed Minister to the Court of St. James ( Britain ) from 1803 to 1807.

In 1807 the progenitor of the modern Krupp firm, Friedrich Krupp, began his commercial career at age 19 when the Widow Krupp appointed him manager of the forge.

In 1816 Thomsen at age 27 was appointed to succeed the retiring Rasmus Nyerup as Secretary of the Kongelige Commission for Oldsagers Opbevarung (" Royal Commission for the Preservation of Antiquities "), which had been founded in 1807.

In 1807 Brock was appointed brigadier general by Governor General Sir James Henry Craig, the new commander of Canadian forces.

He was also appointed as a Knight of the Orders of St Andrew ( 1810 ), of St. Alexander Nevsky ( 1807 ), of the St Vladimir, 1st class ( 1809 ), of the St Anna, 1st class ( 1800 ), the St George 2nd class ( 1805 ) and as a Commander of Justice of the Order of St John of Malta ( 1800 ).

In 1807 he was appointed to the professorship of Greek literature at the Weimar gymnasium by Johann Wolfgang von Goethe, whose acquaintance he had made during a holiday tour ; his lessons were attended by the young Arthur Schopenhauer.

For 100 years of its history, Phillips Academy shared its campus with the Andover Theological Seminary, which was founded on Phillips Hill in 1807 by orthodox Calvinists who had fled Harvard College after it appointed a liberal Unitarian theologian to a professorship of divinity.

Canning was appointed Foreign Secretary in the new government of the Duke of Portland in 1807.

In 1807 he established himself as Privatdozent in the University of Heidelberg and was shortly afterwards appointed professor extraordinarius, becoming professor two years later.

In 1805 he was appointed professor extraordinarius of philosophy at Erlangen ; in 1807 he moved to Heidelberg.

In 1807, Jefferson appointed him governor of the Louisiana Territory ; he settled in St. Louis.

In 1807, President Jefferson appointed Clark as the brigadier general of the militia in the Louisiana Territory, and the US agent for Indian affairs.

He was appointed a Privy Counsellor in 1807 and a Knight of the Thistle in 1821, and was Chancellor of the University of St Andrews from 1814.

He returned to England in 1807 and was appointed first lieutenant of Porpoise, joining her in 1808.

In February 1807, while Bates was in Washington, President Thomas Jefferson appointed him to be Secretary of the Louisiana Territory, as well as a recorder of land titles.

Subsequently he was appointed Recorder of Bridport in 1807 and Sheriff of Dorset in 1818.

In 1807 he was appointed professor of botany in the medical faculty of the University of Montpellier, where he would later become the first chair of botany in 1810.

The council said its goal was " laying out Streets ... in such a manner as to unite regularity and order with the public convenience and benefit and in particular to promote the health of the City ...." In March 1807, the council appointed a three-member commission made up of Gouverneur Morris, the lawyer John Rutherfurd, and the surveyor Simeon De Witt, to establish a comprehensive street plan for Manhattan.

After the Peace of Tilsit in 1807, King Frederick William III appointed Scharnhorst, Gneisenau, Prime Minister Baron vom und zum Stein, and several promising young officers to his Military Reorganization Commission.

In 1807, he was appointed one of the two major generals to command the quota of Pennsylvania militia that was called for by the president.

" He was appointed to negotiate a treaty with American envoys James Monroe and William Pinkney, was admitted to the Privy Council on 27 August 1806, and on the 15th of October entered the Ministry of All the Talents led by Lord Grenville as Lord Privy Seal, retiring with the rest of his colleagues in March 1807.

The strongly pro-French Herman Willem Daendels was appointed Governor General of the Dutch East Indies in 1807.

He was made a member of the privy council in 1805 ; in 1807 he was appointed plenipotentiary at Berlin, but the mission was abandoned, and Frere was again sent to Spain in 1808 as plenipotentiary to the Central Junta.

In 1806 he was appointed groom of the bedchamber to the Duke of Gloucester, and in 1807 Lord Gambier appointed him captain of the fleet for the Second Copenhagen Expedition perhaps due to his familiarity to navigation of the Copenhagen Road he gained from previous service there in 1800.